Columns of color on one side, blended swallowtails on the other! The column pattern makes a fabulous fabric produced by working only 1 color per row. Learn the best cast-on for K1B fabrics, how to find the stitch in the row below on both sides of the work, and how to use the slide manuever to get the yarn you need next. This class will get you started; you won't want to stop.Materials: 2 balls (110 yds each) #4 (worsted-weight) yarn in coordinating colors (one ball can be variegated) and US 9 or 10 circular needle.